YASKAWA MECHATROLINK Sigma 2 Series - 9 Troubleshooting; Alarm Displays and Troubleshooting

9 Troubleshooting
9-2
9.1 Alarm Displays and Troubleshooting
Problems that occur in the servodrives are displayed on the panel operator as “A.” or
“CPF”. “A.− −”, however, does not indicate an alarm. Refer to the following sections to
identify the cause of an alarm and the action to be taken.
Contact your Yaskawa representative if the problem cannot be solved by the described proce-
dures.
 A.02
A.02: Parameter Breakdown
Display and Outputs
Note: OFF: Output transistor is OFF (alarm state).
Status and Remedy for Alarm
Alarm Outputs
Alarm Code Outputs ALM Output
ALO1 ALO2 ALO3
OFF OFF OFF OFF
Cause Remedy
A Power turned OFF during parameter write.
Alarm occurred at next power ON.
• Initialize parameters using Fn005 and
reinput user settings.
• Replace the SERVOPACK.
B Circuit board (1PWB) is defective. Replace the SERVOPACK.
C NS115 is defective. Replace the NS115.
A, B, C
At power ON